But in a trial of a peer in full Parliament, or, to speak with legal precision, before the King in Parliament, for a capital offence, whether upon impeachment or indictment, the case is quite otherwise. Every peer present at the trial (and every temporal peer hath a right to be present in every part of the proceeding) voteth upon every question of law and fact, and the question is carried by the major vote: the High Steward himself voting merely as a peer and member of that court, in common with the rest of the peers, and in no other right.
It hath, indeed, been usual, and very expedient it is, in point of order and regularity, and for the solemnity of the proceeding, to appoint an officer for presiding during the time of the trial, and until judgment, and to give him the style and title of Steward of England: but this maketh no sort of alteration in the constitution of the court; it is the same court, founded in immemorial usage, in the law and custom of Parliament, whether such appointment be made or not. It acteth in its judicial capacity in every order made touching the time and place of the trial, the postponing the trial from time to time upon petition, according to the nature and circumstances of the case, the allowance or non-allowance of council to the prisoner, and other matters relative to the trial;[83] and all this before an High Steward hath been appointed. And so little was it apprehended, in some cases which I shall mention presently, that the existence of the court depended on the appointment of an High Steward, that the court itself directed in what manner and by what form of words he should be appointed. It hath likewise received and recorded the prisoner's confession, which amounteth to a conviction, before the appointment of an High Steward; and hath allowed to prisoners the benefit of acts of general pardon, where they appeared entitled to it, as well without the appointment of an High Steward as after his commission dissolved. And when, in the case of impeachments, the Commons have sometimes, at conferences between the Houses, attempted to interpose in matters preparatory to the trial, the general answer hath been, "This is a point of judicature upon which the Lords will not confer; they impose silence upon themselves,"--or to that effect. I need not here cite instances; every man who hath consulted the Journals of either House hath met with many of them.